Home / 89,332.39-123,280.23-49,047.85

Finding the Fourth Proportional to 89,332.39, 123,280.23 and 49,047.85

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Solution

The fourth proportional to 89,332.39, 123,280.23 and 49,047.85 is: 67,686.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,332.39 : 123,280.23 = 49,047.85 : x
  2. Step 2: Convert to fraction form
    89,332.39/123,280.23 = 49,047.85/x
  3. Step 3: Cross multiply
    89,332.39x = 123,280.23 × 49,047.85
  4. Step 4: Simplify right side
    89,332.39x = 6,046,630,229.01
  5. Step 5: Solve for x
    x = 6,046,630,229.01/89,332.39
  6. Step 6: Final answer
    x = 67,686.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.